Suppose you have a $4-off coupon at a fabric store. you buy fabric that costs $8.50 per yard. write an equation that models the total amount of money y you pay if you buy x yards of fabric. what is the graph of the equation?

Mr. walker gave his class the function f(x) = (x + 3)(x + 5). four students made a claim about the function. each student’s claim is below. jeremiah: the y-intercept is at (15, 0). lindsay: the x-intercepts are at (–3, 0) and (5, 0). stephen: the vertex is at (–4, –1). alexis: the midpoint between the x-intercepts is at (4, 0). which student’s claim about the function is correct?

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300